TY - CONF A1 - Schneider, Ronald A1 - Thöns, Sebastian A1 - Rogge, Andreas A2 - Bucher, Christian A2 - Ellingwood, Bruce R. A2 - Frangopol, Dan M. T1 - Simulating the service life performance of an inspected group of jacket-type structures T2 - Proceedings of the 12th International Conference on Structural Safety and Reliability N2 - A novel method for risk-based optimization of inspection and repair strategies for deteriorating structural systems has recently been proposed. The method defines heuristics at the system level to reduce the number of possible strategies. For each defined strategy, it computes the updated system failure probability conditional on simulated inspection and repair histories, and evaluates the associated costs and risk. The expected total service life costs and risk for a strategy are finally determined using Monte Carlo simulation. The optimal strategy minimizes the expected total service life costs and risk. We intend to adopt this approach to optimize inspection, monitoring and repair activities for offshore wind park support structures. As a first step, we simulate – in analogy to an offshore wind park – the service life performance of an inspected group of jacket-type frames. The performance is quantified in terms of the group’s system failure probability conditional on simulated inspection and repair histories. The underlying system model accounts for the structural redundancy of the frames and the interdependence among their failure events due to similar loading conditions. The model also captures stochastic dependence among the deterioration states of the frames. As part of the simulation process the a-priori unknown outcome of any planned inspection is generated conditional on the outcome of all previous inspections. PB - TU-MV Media Verlag GmbH CY - Vienna, Austria T2 - 12th International Conference on Structural Safety and Reliability CY - Vienna, Austria DA - 06.08.2017 KW - Reliability KW - Fatigue KW - Inspection KW - Service life performance KW - Inspection planning PY - 2017 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/41344 AN - OPUS4-41344 SN - 978-3-903024-28-1 SP - 2738 EP - 2747 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany